Interfacial design of Mg/graphite flakes-MP (MP=Fe, Co or Ni) ferromagnetic composites with low density and high thermal conductivity

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dc.contributorMateriales Avanzadoses_ES
dc.contributorFísica de la Materia Condensadaes_ES
dc.contributor.authorMolina Jordá, José Miguel-
dc.contributor.authorLouis, Enrique-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Inorgánicaes_ES
dc.contributor.otherUniversidad de Alicante. Departamento de Física Aplicadaes_ES
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Materialeses_ES
dc.identifier.citationJournal of Alloys and Compounds. 2018, 767: 1155-1163. doi:10.1016/j.jallcom.2018.07.136es_ES
dc.identifier.issn0925-8388 (Print)-
dc.identifier.issn1873-4669 (Online)-
dc.description.abstractIn the present work a new material based on the recently developed graphite flakes-SiC particles/metal composite, is described. The latter was processed by gas-pressure infiltration of the liquid metal into a preform obtained by packing a mixture of graphite flakes and SiC particles. Its microstructure consists of alternating layers of oriented graphite flakes and metal-particles composite, and, thus, it is highly anisotropic. Its highest thermal conductivity (>300 Wm−1K−1), attained in the plane parallel to the flakes plane, makes it suitable for heat sinking applications. Replacing SiC by particles of similar size and of ferromagnetic nature (Fe, Co and Ni), a material with moderate-to-high magnetic permeability and reasonably high thermal conductivity, has been produced. Mixtures of packed magnetic particles and graphite flakes were infiltrated with pure magnesium. In order to avoid chemical reaction, Co and Ni particles were carbon coated. Optimizing the combination of thermal conductivity and magnetic properties requires proper control of liquid metal infiltration variables, such as, temperature, pressure and contact time before metal solidification.es_ES
dc.description.sponsorshipThe authors acknowledge partial financial support from the “Ministerio de Ciencia e Innovación” (grant MAT2016-77742-C2-2-P).es_ES
dc.rights© 2018 Elsevier B.V.es_ES
dc.subjectGraphite flakeses_ES
dc.subjectThermal conductivityes_ES
dc.subject.otherQuímica Inorgánicaes_ES
dc.subject.otherFísica de la Materia Condensadaes_ES
dc.titleInterfacial design of Mg/graphite flakes-MP (MP=Fe, Co or Ni) ferromagnetic composites with low density and high thermal conductivityes_ES
Appears in Collections:INV - Física de la Materia Condensada - Artículos de Revistas
INV - LMA - Artículos de Revistas

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